[
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      "name": "Streaming"
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    "model": "workflows.abstractwidget", 
    "fields": {
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      "treeview_image": "", 
      "name": "Add neutral zone", 
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      "interaction_view": "", 
      "image": "", 
      "package": "streaming", 
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      "post_interact_action": "", 
      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "", 
      "action": "streaming_add_neutral_zone", 
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      "wsdl": "", 
      "interactive": false, 
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  }, 
  {
    "pk": 719, 
    "model": "workflows.abstractinput", 
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      "name": "List of Tweets", 
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      "variable": "ltw", 
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    }
  }, 
  {
    "pk": 720, 
    "model": "workflows.abstractinput", 
    "fields": {
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      "name": "Neutral zone", 
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      "uid": "607375c0-f4e3-43b8-9f99-2830ac7e5c83", 
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      "multi": false, 
      "parameter_type": "text", 
      "variable": "zone", 
      "parameter": true, 
      "order": 2, 
      "description": "A value between 0 and 1"
    }
  }, 
  {
    "pk": 317, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 292, 
      "name": "List of Tweets", 
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  {
    "pk": 280, 
    "model": "workflows.abstractwidget", 
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      "treeview_image": "", 
      "name": "Filter tweets by language", 
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      "image": "", 
      "package": "streaming", 
      "static_image": "filter_tweets.png", 
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      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "", 
      "action": "streaming_filter_tweets_by_language", 
      "wsdl_method": "", 
      "wsdl": "", 
      "interactive": false, 
      "has_progress_bar": false, 
      "order": 1, 
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    }
  }, 
  {
    "pk": 698, 
    "model": "workflows.abstractinput", 
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      "name": "List of Tweets", 
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      "variable": "ltw", 
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    }
  }, 
  {
    "pk": 699, 
    "model": "workflows.abstractinput", 
    "fields": {
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      "name": "Language", 
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      "uid": "9befb8ed-7644-4f41-8887-1c6f74bdeba7", 
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      "variable": "lang", 
      "parameter": true, 
      "order": 2, 
      "description": ""
    }
  }, 
  {
    "pk": 308, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 280, 
      "name": "List of Tweets", 
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      "variable": "ltw", 
      "uid": "5642b7b5-596b-475c-b59c-2656427482ad", 
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    }
  }, 
  {
    "pk": 281, 
    "model": "workflows.abstractwidget", 
    "fields": {
      "category": 48, 
      "treeview_image": "", 
      "name": "RSS Reader", 
      "is_streaming": true, 
      "uid": "723e4654-abf4-4c9f-920f-08915c4d7a72", 
      "interaction_view": "", 
      "image": "", 
      "package": "streaming", 
      "static_image": "", 
      "post_interact_action": "", 
      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "", 
      "action": "streaming_rss_reader", 
      "wsdl_method": "", 
      "wsdl": "", 
      "interactive": false, 
      "has_progress_bar": false, 
      "order": 1, 
      "description": ""
    }
  }, 
  {
    "pk": 700, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 281, 
      "name": "RSS URL", 
      "short_name": "url", 
      "uid": "bab53d85-8423-409c-91c3-f36a857b5e5f", 
      "default": "", 
      "required": false, 
      "multi": false, 
      "parameter_type": "text", 
      "variable": "url", 
      "parameter": true, 
      "order": 1, 
      "description": "The URL of the RSS feed"
    }
  }, 
  {
    "pk": 309, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 281, 
      "name": "URL", 
      "short_name": "url", 
      "variable": "url", 
      "uid": "50d8c3ec-e1df-4f0a-b743-5e00509fed02", 
      "order": 1, 
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  }, 
  {
    "pk": 291, 
    "model": "workflows.abstractwidget", 
    "fields": {
      "category": 48, 
      "treeview_image": "", 
      "name": "Remove words from tweets", 
      "is_streaming": false, 
      "uid": "258e97c6-e44d-41a3-97c0-689de94f3049", 
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      "image": "", 
      "package": "streaming", 
      "static_image": "", 
      "post_interact_action": "", 
      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "", 
      "action": "streaming_remove_words_from_tweets", 
      "wsdl_method": "", 
      "wsdl": "", 
      "interactive": false, 
      "has_progress_bar": false, 
      "order": 1, 
      "description": ""
    }
  }, 
  {
    "pk": 717, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 291, 
      "name": "List of Tweets", 
      "short_name": "ltw", 
      "uid": "68692ac4-df32-432d-8b10-00ed68ec7c04", 
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      "required": false, 
      "multi": false, 
      "parameter_type": null, 
      "variable": "ltw", 
      "parameter": false, 
      "order": 1, 
      "description": ""
    }
  }, 
  {
    "pk": 718, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 291, 
      "name": "Words", 
      "short_name": "wrd", 
      "uid": "69b06741-8055-4dad-b677-3940d3434bc2", 
      "default": "", 
      "required": false, 
      "multi": false, 
      "parameter_type": "textarea", 
      "variable": "words", 
      "parameter": true, 
      "order": 2, 
      "description": "One word or phrase per line"
    }
  }, 
  {
    "pk": 316, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 291, 
      "name": "List of Tweets", 
      "short_name": "ltw", 
      "variable": "ltw", 
      "uid": "fa942ac2-f92a-4f42-a806-56f359d41d93", 
      "order": 1, 
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    }
  }, 
  {
    "pk": 290, 
    "model": "workflows.abstractwidget", 
    "fields": {
      "category": 48, 
      "treeview_image": "", 
      "name": "Simulate stream from Gamasystem csv", 
      "is_streaming": true, 
      "uid": "7a72dcc4-53a2-4a45-96e6-31b0c2e01e32", 
      "interaction_view": "", 
      "image": "", 
      "package": "streaming", 
      "static_image": "twitter.png", 
      "post_interact_action": "", 
      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "", 
      "action": "streaming_simulate_stream_from_csv", 
      "wsdl_method": "", 
      "wsdl": "", 
      "interactive": false, 
      "has_progress_bar": false, 
      "order": 1, 
      "description": "Simulates a stream from gama system's csv export"
    }
  }, 
  {
    "pk": 716, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 290, 
      "name": "CSV file", 
      "short_name": "csv", 
      "uid": "e064e54e-47de-42a1-a9a5-fa1552845403", 
      "default": "", 
      "required": false, 
      "multi": false, 
      "parameter_type": "file", 
      "variable": "csv", 
      "parameter": true, 
      "order": 1, 
      "description": "CSV file exportet by gamasystem's perceptionanalytics"
    }
  }, 
  {
    "pk": 315, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 290, 
      "name": "List of tweets", 
      "short_name": "ltw", 
      "variable": "ltw", 
      "uid": "c63bf850-8c95-40e3-afc9-25ecb2783c44", 
      "order": 1, 
      "description": "A list of Tweets."
    }
  }, 
  {
    "pk": 293, 
    "model": "workflows.abstractwidget", 
    "fields": {
      "category": 48, 
      "treeview_image": "", 
      "name": "Simulate stream from text file", 
      "is_streaming": true, 
      "uid": "9a20da2e-0903-4332-8938-63b15d370657", 
      "interaction_view": "", 
      "image": "", 
      "package": "streaming", 
      "static_image": "twitter.png", 
      "post_interact_action": "", 
      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "", 
      "action": "streaming_simulate_stream_from_text_file", 
      "wsdl_method": "", 
      "wsdl": "", 
      "interactive": false, 
      "has_progress_bar": false, 
      "order": 1, 
      "description": ""
    }
  }, 
  {
    "pk": 721, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 293, 
      "name": "Text file", 
      "short_name": "txt", 
      "uid": "b3f3126c-6004-41f4-839b-08e047ffcb62", 
      "default": "", 
      "required": false, 
      "multi": false, 
      "parameter_type": "file", 
      "variable": "file", 
      "parameter": true, 
      "order": 1, 
      "description": "Text file of line separated tweets"
    }
  }, 
  {
    "pk": 318, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 293, 
      "name": "List of tweets", 
      "short_name": "ltw", 
      "variable": "ltw", 
      "uid": "76b17d4f-7bf4-4f7d-9685-1f2cb4dda73e", 
      "order": 1, 
      "description": "A list of Tweets."
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  }, 
  {
    "pk": 282, 
    "model": "workflows.abstractwidget", 
    "fields": {
      "category": 48, 
      "treeview_image": "", 
      "name": "Sliding Window", 
      "is_streaming": true, 
      "uid": "b21b4e13-8d15-4584-ad17-03405a79b020", 
      "interaction_view": "", 
      "image": "", 
      "package": "streaming", 
      "static_image": "", 
      "post_interact_action": "", 
      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "", 
      "action": "streaming_sliding_window", 
      "wsdl_method": "", 
      "wsdl": "", 
      "interactive": false, 
      "has_progress_bar": false, 
      "order": 1, 
      "description": ""
    }
  }, 
  {
    "pk": 701, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 282, 
      "name": "List", 
      "short_name": "lst", 
      "uid": "5411d874-0e24-446e-88b2-065c23ee2817", 
      "default": "", 
      "required": false, 
      "multi": false, 
      "parameter_type": null, 
      "variable": "list", 
      "parameter": false, 
      "order": 1, 
      "description": "Any type of list"
    }
  }, 
  {
    "pk": 702, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 282, 
      "name": "Size", 
      "short_name": "siz", 
      "uid": "fb2215c6-04e6-4c0b-97e5-f380c4b2f6e8", 
      "default": "500", 
      "required": false, 
      "multi": false, 
      "parameter_type": "text", 
      "variable": "size", 
      "parameter": true, 
      "order": 1, 
      "description": "Window size"
    }
  }, 
  {
    "pk": 310, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 282, 
      "name": "List", 
      "short_name": "lst", 
      "variable": "list", 
      "uid": "02cfba05-bf1c-44f1-a94a-324feed8f3bf", 
      "order": 1, 
      "description": "The window"
    }
  }, 
  {
    "pk": 283, 
    "model": "workflows.abstractwidget", 
    "fields": {
      "category": 48, 
      "treeview_image": "", 
      "name": "Split positive and negative tweets", 
      "is_streaming": false, 
      "uid": "2786eaa2-3505-4d44-9962-23df9f23c072", 
      "interaction_view": "", 
      "image": "", 
      "package": "streaming", 
      "static_image": "split.png", 
      "post_interact_action": "", 
      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "", 
      "action": "streaming_split_pos_neg", 
      "wsdl_method": "", 
      "wsdl": "", 
      "interactive": false, 
      "has_progress_bar": false, 
      "order": 1, 
      "description": ""
    }
  }, 
  {
    "pk": 703, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 283, 
      "name": "List of Tweets", 
      "short_name": "ltw", 
      "uid": "eea9cd8a-dbbb-4c08-98c4-d0d6df97aee0", 
      "default": "", 
      "required": false, 
      "multi": false, 
      "parameter_type": null, 
      "variable": "ltw", 
      "parameter": false, 
      "order": 1, 
      "description": ""
    }
  }, 
  {
    "pk": 311, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 283, 
      "name": "Positive tweets", 
      "short_name": "ptw", 
      "variable": "ptw", 
      "uid": "8694851c-3f97-4177-835e-fb49c43f8dcd", 
      "order": 1, 
      "description": ""
    }
  }, 
  {
    "pk": 312, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 283, 
      "name": "Negative tweets", 
      "short_name": "ntw", 
      "variable": "ntw", 
      "uid": "bb2debb9-914d-4c8a-abc2-3eff09009dd9", 
      "order": 2, 
      "description": ""
    }
  }, 
  {
    "pk": 284, 
    "model": "workflows.abstractwidget", 
    "fields": {
      "category": 48, 
      "treeview_image": "", 
      "name": "Tweet Sentiment Analysis", 
      "is_streaming": true, 
      "uid": "62e7f354-d6c7-4c4c-b1b7-795ac613a7e0", 
      "interaction_view": "", 
      "image": "", 
      "package": "streaming", 
      "static_image": "sentiment.png", 
      "post_interact_action": "", 
      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "", 
      "action": "streaming_tweet_sentiment_service", 
      "wsdl_method": "", 
      "wsdl": "", 
      "interactive": false, 
      "has_progress_bar": false, 
      "order": 1, 
      "description": "Annotates the list of tweets with sentiments, reliability and a corrected language."
    }
  }, 
  {
    "pk": 704, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 284, 
      "name": "List of Tweets", 
      "short_name": "ltw", 
      "uid": "bf47f1f1-d4e2-47f8-bbe3-fa28281763e0", 
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      "required": false, 
      "multi": false, 
      "parameter_type": null, 
      "variable": "ltw", 
      "parameter": false, 
      "order": 1, 
      "description": "List of tweets generated by the twitter feed."
    }
  }, 
  {
    "pk": 313, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 284, 
      "name": "Sentiment Annotated List Of Tweets", 
      "short_name": "ltw", 
      "variable": "ltw", 
      "uid": "163a4c4a-b72e-439e-85a1-eaa82fdd8846", 
      "order": 1, 
      "description": "An annotated list of tweets with Sentiment, Language and Reliability."
    }
  }, 
  {
    "pk": 285, 
    "model": "workflows.abstractwidget", 
    "fields": {
      "category": 48, 
      "treeview_image": "", 
      "name": "Twitter", 
      "is_streaming": true, 
      "uid": "3a929977-0708-4f92-8296-2e109ff0566a", 
      "interaction_view": "", 
      "image": "", 
      "package": "streaming", 
      "static_image": "twitter.png", 
      "post_interact_action": "", 
      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "", 
      "action": "streaming_twitter", 
      "wsdl_method": "", 
      "wsdl": "", 
      "interactive": false, 
      "has_progress_bar": false, 
      "order": 1, 
      "description": "Queries the twitter API for tweets. Also works in a streaming environment."
    }
  }, 
  {
    "pk": 705, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 285, 
      "name": "Query", 
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      "required": false, 
      "multi": false, 
      "parameter_type": "textarea", 
      "variable": "query", 
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      "order": 1, 
      "description": ""
    }
  }, 
  {
    "pk": 706, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 285, 
      "name": "Geocode", 
      "short_name": "geo", 
      "uid": "80d1e542-7f7c-4a8e-b683-764d0a754b03", 
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      "required": false, 
      "multi": false, 
      "parameter_type": "text", 
      "variable": "geocode", 
      "parameter": true, 
      "order": 2, 
      "description": ""
    }
  }, 
  {
    "pk": 707, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 285, 
      "name": "Use ClowdFlows authentication (warning: not stable)", 
      "short_name": "cfa", 
      "uid": "c78c8f03-92c4-4f6c-972d-c064baecd09a", 
      "default": "", 
      "required": false, 
      "multi": false, 
      "parameter_type": "checkbox", 
      "variable": "cfauth", 
      "parameter": true, 
      "order": 3, 
      "description": "If this is set, the default consumer and access tokens are used."
    }
  }, 
  {
    "pk": 708, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 285, 
      "name": "Consumer Key", 
      "short_name": "ck", 
      "uid": "ed2db381-2ed2-4a4d-bd6d-9f9dc0430a50", 
      "default": "", 
      "required": false, 
      "multi": false, 
      "parameter_type": "text", 
      "variable": "ck", 
      "parameter": true, 
      "order": 4, 
      "description": "Go to http://dev.twitter.com and create an app. The consumer key and secret will be generated for you after."
    }
  }, 
  {
    "pk": 709, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 285, 
      "name": "Consumer Secret", 
      "short_name": "cs", 
      "uid": "9b9d6268-675a-46c5-82d5-b143e5fdd326", 
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      "required": false, 
      "multi": false, 
      "parameter_type": "text", 
      "variable": "cs", 
      "parameter": true, 
      "order": 5, 
      "description": ""
    }
  }, 
  {
    "pk": 710, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 285, 
      "name": "Access Token", 
      "short_name": "at", 
      "uid": "a951f2d1-c2d1-40b3-afe9-799195e03aa0", 
      "default": "", 
      "required": false, 
      "multi": false, 
      "parameter_type": "text", 
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      "parameter": true, 
      "order": 6, 
      "description": ""
    }
  }, 
  {
    "pk": 711, 
    "model": "workflows.abstractinput", 
    "fields": {
      "widget": 285, 
      "name": "Access Token Secret", 
      "short_name": "as", 
      "uid": "299ae040-2916-4b88-8a79-3ced689ef23f", 
      "default": "", 
      "required": false, 
      "multi": false, 
      "parameter_type": "text", 
      "variable": "as", 
      "parameter": true, 
      "order": 7, 
      "description": ""
    }
  }, 
  {
    "pk": 314, 
    "model": "workflows.abstractoutput", 
    "fields": {
      "widget": 285, 
      "name": "List of tweets", 
      "short_name": "ltw", 
      "variable": "ltw", 
      "uid": "212aab18-6058-4e35-b64c-f1e1fb1078b7", 
      "order": 1, 
      "description": "A list of Tweets."
    }
  }, 
  {
    "pk": 49, 
    "model": "workflows.category", 
    "fields": {
      "uid": "d0803d58-35d4-4590-bb32-f2041e735247", 
      "parent": 48, 
      "workflow": null, 
      "user": null, 
      "order": 1, 
      "name": "Streaming Visualizations"
    }
  }, 
  {
    "pk": 286, 
    "model": "workflows.abstractwidget", 
    "fields": {
      "category": 49, 
      "treeview_image": "", 
      "name": "Collect and Display tweets", 
      "is_streaming": true, 
      "uid": "f950409e-5913-4937-b7e5-7d9677a88e19", 
      "interaction_view": "", 
      "image": "", 
      "package": "streaming", 
      "static_image": "twitter.png", 
      "post_interact_action": "", 
      "user": null, 
      "visualization_view": "", 
      "streaming_visualization_view": "streaming_collect_and_display_visualization", 
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